/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/*
** @filename :  file/real.h
*/

#ifndef _SERVER_FIELD_REAL
#define _SERVER_FIELD_REAL

#include <field/num.h>

/* base class for float and double and decimal (old one) */
class Field_real :public Field_num {
public:

  bool not_fixed;

  using Field::unpack;
  using Field::pack;

  Field_real(unsigned char *ptr_arg, uint32_t len_arg, unsigned char *null_ptr_arg,
             unsigned char null_bit_arg, utype unireg_check_arg,
             const char *field_name_arg,
             uint8_t dec_arg, bool zero_arg, bool unsigned_arg)
             :Field_num(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg,
               field_name_arg, dec_arg, zero_arg, unsigned_arg),
               not_fixed(dec_arg >= NOT_FIXED_DEC)
    {}

  int store_decimal(const db_decimal *);

  db_decimal *val_decimal(db_decimal *);

  int truncate(double *nr, double max_length);
  inline uint32_t max_display_length() { return field_length; }
  inline uint32_t size_of() const      { return sizeof(*this);}
  virtual const unsigned char *unpack(unsigned char* to, const unsigned char *from,
                              uint32_t param_data, bool low_byte_first);
  virtual unsigned char *pack(unsigned char* to, const unsigned char *from,
                              uint32_t max_length, bool low_byte_first);
};

#endif
